body {
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont,
    'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
    'Helvetica Neue', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
    font-variant: tabular-nums;
    line-height: 1.5;
    background-color: #fff;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    overflow: auto;
}

#main {

}